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authorMickaël Salaün <mic@linux.microsoft.com>2021-01-05 20:19:49 +0100
committerDmitry Vyukov <dvyukov@google.com>2021-03-19 16:08:51 +0100
commite101f6b4ca824f8bf4b0bbf376ff6ced9378271e (patch)
tree320fc44d0fd2dd8d5df1c9dc588c5977c1232943 /sys/linux/landlock.txt
parenta2e07427ccd476b741d2c97f4715e99cf6e700ef (diff)
sys/linux: add Landlock syscalls
Based on Linux next-20210319: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=f00397ee41c79b6155b9b44abd0055b2c0621349 Co-developed-by: Vincent Dagonneau <vincent.dagonneau@ssi.gouv.fr> Signed-off-by: Vincent Dagonneau <vincent.dagonneau@ssi.gouv.fr> Signed-off-by: Mickaël Salaün <mic@linux.microsoft.com>
Diffstat (limited to 'sys/linux/landlock.txt')
-rw-r--r--sys/linux/landlock.txt21
1 files changed, 21 insertions, 0 deletions
diff --git a/sys/linux/landlock.txt b/sys/linux/landlock.txt
new file mode 100644
index 000000000..c3d03d96a
--- /dev/null
+++ b/sys/linux/landlock.txt
@@ -0,0 +1,21 @@
+# Copyright 2021 syzkaller project authors. All rights reserved.
+# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+include <uapi/linux/landlock.h>
+
+resource fd_ruleset[fd]
+
+landlock_create_ruleset(attr ptr[in, landlock_ruleset_attr], size bytesize[attr], flags const[0]) fd_ruleset
+landlock_add_rule$LANDLOCK_RULE_PATH_BENEATH(ruleset_fd fd_ruleset, rule_type const[LANDLOCK_RULE_PATH_BENEATH], rule_attr ptr[in, landlock_path_beneath_attr], flags const[0])
+landlock_restrict_self(ruleset_fd fd_ruleset, flags const[0])
+
+landlock_ruleset_attr {
+ handled_fs_access flags[landlock_access_flags, int64]
+}
+
+landlock_path_beneath_attr {
+ allowed_access flags[landlock_access_flags, int64]
+ parent_fd fd
+} [packed]
+
+landlock_access_flags = LANDLOCK_ACCESS_FS_EXECUTE, LANDLOCK_ACCESS_FS_MAKE_BLOCK, LANDLOCK_ACCESS_FS_MAKE_CHAR, LANDLOCK_ACCESS_FS_MAKE_DIR, LANDLOCK_ACCESS_FS_MAKE_FIFO, LANDLOCK_ACCESS_FS_MAKE_REG, LANDLOCK_ACCESS_FS_MAKE_SOCK, LANDLOCK_ACCESS_FS_MAKE_SYM, LANDLOCK_ACCESS_FS_READ_DIR, LANDLOCK_ACCESS_FS_READ_FILE, LANDLOCK_ACCESS_FS_REMOVE_DIR, LANDLOCK_ACCESS_FS_REMOVE_FILE, LANDLOCK_ACCESS_FS_WRITE_FILE